XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

Plume testnet node configuration

Comprehensive Bitcoin library for the .NET framework.

A modern Bitcoin Core REST and RPC client.

A full stack for bitcoin and blockchain-based applications

Bitcoin made easy.

A curated list of bitcoin services and tools for software developers

Blackbird Bitcoin Arbitrage: a long/short market-neutral strategy

PHP library to generate BTC addresses and signatures from private keys.

Bitcoin Cash - Peer-to-Peer Electronic Cash

An alternative full node bitcoin implementation written in Go (golang)

ZeroNet - Decentralized websites using Bitcoin crypto and BitTorrent network

Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.

A decentralized bitcoin exchange network

Rust Bitcoin library

Bitcoin ABC develops node software and infrastructure for the eCash project. This a mirror of the official Bitcoin-ABC repository. Please see README.md

Database-free, self-hosted Bitcoin explorer, via RPC to Bitcoin Core.

Electrum Bitcoin Wallet

Bitcoin.org Website

Bitcoin Wallet app for your Android device. Standalone Bitcoin node, no centralized backend required.

Bitcoin Improvement Proposals

A javascript Bitcoin library for node.js and browsers.

Bitcoin Core integration/staging tree

A library for working with Bitcoin

A taxonomy for open source cryptocurrency, blockchain, and decentralized ecosystems

Mastering Bitcoin 2nd Edition - Programming the Open Blockchain

Python interface to bitcoin's JSON-RPC API

A web-based demonstration of blockchain concepts.

💰 Bitcoind Docker image that runs the Bitcoin node in a container for easy deployment

Python3 library providing an easy interface to the Bitcoin data structures and protocol.